Code:
1)Visual Basic:

	msgbox "Hello World"

2)C++:
	
	#include<iostream.h>
	#include<conio.h>

	int main()
	{
	cout<<"Hello World";
	getch();
	}

3)Euphoria:

	puts(1,"Hello World")

4)Pascal:

	PROGRAM hola;
	uses crt;
	begin
	clrscr;
	write('Hello World');
	end.

5)HTML:

	<H1>Hello World</H1>

6)JavaScript:

	<SCRIPT LANGUAJE="JAVASCRIPT">
	document.write("Hello World");
	</SCRIPT>

7)QBasic:

	PRINT "Hello World"

8)VisualBasic Script:

	<script language="vbscript">
	msgbox "Hello World"
	</script>

9)Java:

	import java.awt.*;
	import java.applet.*;

	public class HelloWorld extends Applet 
	{
	Label Msg;
	
		public void init() 
		{
		Msg = new Label();
		Msg.setText("Hello World");
		add(Msg);
		}
	}

10)Visual C++:

	#include "stdafx.h"

	int main()
	{
	printf("Hello World\n");
	return 0;
	}

11)ABC:

	WRITE "Hello World"

12)Lisp:

	print "Hello World"

13)Liberty Basic

	print "Hello World"

14)Berkeley Logo:
	
	print "Hello print "World

15)Python:

	print "Hello World"	

16)Perl:
	
	#!/usr/bin/perl
	print "Hello World!", "\n";

17)Delphi:

	ShowMessage ('Hello World'); 

18)Rapid-Q:
	PRINT "Hello World"

19)BASEC:
	PRINT "Hello World"

20)D++:
	screenput"Hello World";

21)Chipmunk BASIC:
	PRINT "Hello World"

22)Johnny's Experimental Language:
	PRINT "Hello World"

23)Envelop:
	Label1.Text = "Hello World"

24)InterBASIC:
	Form()  Width:5250 Height:2565 Caption:New Application
	CreateCtrl Label(1) Left:0 Top:0 Width:1000 Height:200 Visible:True 	Caption:Hello World

25)BF:
	>+++++++++[<++++++++>-]<.---.+++++++..+++.>++++++++[<------>-]<+.>+++++++++[<++
	++++>-]<+.--------.+++.------.--------.>+++++++[<----->-]<.[-]++++++++++.

26)TURBO PL:
	Pout "Hello World".